crubinstein.com - robtex.com
crubinstein.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774880287 | ||||||
Subdomains
www.crubinstein.com |
Same first word
crubinstein.com |
DNS History
12 records (4 active, 8 former)
●NSliz.ns.cloudflare.com2026-03-28 → 2026-03-30 · 3 obs
● 2026-03-28 01:21:32
● 2026-03-30 14:18:40
○NSns1.xfernet.net2007-10-29 → 2017-08-17 · 4 obs
● 2017-08-17 04:18:54
○ 2026-03-28 01:21:32
○ 2026-03-30 14:18:40
○NSns2.xfernet.net2007-10-29 → 2017-08-17 · 4 obs
● 2017-08-17 04:18:54
○ 2026-03-28 01:21:32
○ 2026-03-30 14:18:40
●NSram.ns.cloudflare.com2026-03-28 → 2026-03-30 · 3 obs
● 2026-03-28 01:21:32
● 2026-03-30 14:18:40
●MXasp100.xfernet.net2015-08-17 → 2026-03-30 · 3 obs
● 2015-08-17 00:26:30
● 2026-03-30 14:18:40
○MXlax-proxmox01.xfernet.net2007-10-29 → 2007-10-29 · 3 obs
○ 2015-08-17 00:26:30
○ 2026-03-30 14:18:40
○A100.48.29.1212026-03-28 → 2026-03-30 · 2 obs
○ 2026-03-30 14:18:40
●A138.197.135.1572026-03-28 → 2026-03-30 · 3 obs
● 2026-03-28 01:21:32
● 2026-03-30 14:18:40
○A159.203.46.1982017-08-17 → 2017-08-17 · 4 obs
● 2017-08-17 04:18:54
○ 2026-03-28 01:21:32
○ 2026-03-30 14:18:40
○A3.216.187.72026-03-28 → 2026-03-30 · 2 obs
○ 2026-03-30 14:18:40
○A67.43.161.2312007-10-29 → 2007-10-29 · 3 obs
○ 2015-08-17 00:26:30
○ 2026-03-30 14:18:40
○A67.43.161.502015-08-17 → 2016-09-25 · 5 obs
● 2015-08-17 00:26:30
● 2016-09-25 12:58:20
○ 2017-08-17 04:18:54
○ 2026-03-30 14:18:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net... | - |
| crubinstein.com | ram.ns.cloudflare.com, liz.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.225
NS records: ram.ns.cloudflare.com, liz.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for crubinstein.com (unsigned zone)
⏱️ Timing
Total: 312ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.197.135.157 |
| NS | 2 | liz.ns.cloudflare.com, ram.ns.cloudflare.com |
| MX | 1 | asp100.xfernet.net (pri: 5) |
| SOA | 1 | liz.ns.cloudflare.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ram.ns.cloudflare.com, ram.ns.cloudflare.com, ram.ns.cloudflare.com...)
Analysis
Hierarchy
crubinstein.com is the parent of www.crubinstein.com.
IP Addresses
crubinstein.com points to a single IP number: 138.197.135.157.
Name Servers
crubinstein.com is delegated to two name servers: liz.ns.cloudflare.com and ram.ns.cloudflare.com.
crubinstein.com shares the same name server setup as other domains, for example tjioxaqz.cfd, lukeacl.com, haustechnik-sp.de, switchboard.exchange and matongdiemkim.com.
crubinstein.com at least partially shares name servers with other domains, for instance webedia.com.br, innovi.se, presentationwork.com, adargil.com and nagor.com.
These name servers are commonly used with guy.ns.cloudflare.com, zahir.ns.cloudflare.com and sri.ns.cloudflare.com.
Host names with six IP numbers:
liz.ns.cloudflare.com points to: 2606:4700:50::adf5:3abd, 2803:f800:50::6ca2:c0bd, 2a06:98c1:50::ac40:20bd, 108.162.192.189, 172.64.32.189 and 173.245.58.189; ram.ns.cloudflare.com points to: 2606:4700:58::adf5:3be1, 2803:f800:50::6ca2:c1e1, 2a06:98c1:50::ac40:21e1, 108.162.193.225, 172.64.33.225 and 173.245.59.225.
Mail Servers
crubinstein.com is handled by a single mail server, asp100.xfernet.net.
Host name asp100.xfernet.net points to IP address 67.43.161.48.